Jerry Leichter leichter at
Wed Aug 18 08:21:40 EDT 2010

Yesterday I asked about Haystack, an anti-censorship system that  
appears to exist mainly as newspaper articles.  So today I ran across  
another system, which appears to be real:  Collage ( 
), developed by a group at Georgia Tech and to be presented at  
Usenix.  On a crypto level, unlike Haystack, Collage is nothing new:   
It uses steganographic techniques to hide text in photos.  What it  
contributes is easy to use software for both embedding and extracting  
the data, integrated with Flickr.

                                                        -- Jerry

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